Patients with clinical diagnosis for Covid-19 disease, Patients with acute respiratory distress syndrome (ARDS), Patients not having kidney, liver and heart dysfunction according to clinical and laboratory findings PF ratio (the ratio of arterial oxygen partial pressure to fractional inspired oxygen) <300 ,

Patients with clinical diagnosis for Covid-19 disease, Patients with acute respiratory distress syndrome (ARDS), Patients not having kidney, liver and heart dysfunction according to clinical and laboratory findings PF ratio (the ratio of arterial oxygen partial pressure to fractional inspired oxygen) <300 ,